GB600253A - Electric pulse modulation systems - Google Patents

Electric pulse modulation systems

Info

Publication number
GB600253A
GB600253A GB19853/44A GB1985344A GB600253A GB 600253 A GB600253 A GB 600253A GB 19853/44 A GB19853/44 A GB 19853/44A GB 1985344 A GB1985344 A GB 1985344A GB 600253 A GB600253 A GB 600253A
Authority
GB
United Kingdom
Prior art keywords
pulse
pulses
carrier
triode
absorbing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB19853/44A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB600253A publication Critical patent/GB600253A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Particle Accelerators (AREA)
GB19853/44A 1943-10-15 1944-10-13 Electric pulse modulation systems Expired GB600253A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US506412A US2440264A (en) 1943-10-15 1943-10-15 Modulator system

Publications (1)

Publication Number Publication Date
GB600253A true GB600253A (en) 1948-04-05

Family

ID=24014470

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19853/44A Expired GB600253A (en) 1943-10-15 1944-10-13 Electric pulse modulation systems

Country Status (4)

Country Link
US (1) US2440264A (nl)
BE (1) BE474951A (nl)
ES (1) ES181843A1 (nl)
GB (1) GB600253A (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138563A (en) * 1983-04-21 1984-10-24 American Telephone & Telegraph Improvements in or relating to acoustic ranging apparatus

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613347A (en) * 1945-09-12 1952-10-07 Todd William Modulator, for radiosonde apparatus
US2633494A (en) * 1946-03-23 1953-03-31 Maynard D Mcfarlane Facsimile transmitting system
US2689344A (en) * 1951-05-15 1954-09-14 Stanley R Rich Pulse modulated speech transmission system
US2807781A (en) * 1953-01-08 1957-09-24 Servo Corp Of America Direct-reading frequency meter
US2964240A (en) * 1953-08-28 1960-12-13 Electro Mechanical Res Inc Plotter
US2765211A (en) * 1953-12-09 1956-10-02 Applied Science Corp Of Prince Grid printer
US2985845A (en) * 1957-04-05 1961-05-23 Westinghouse Canada Ltd Crystal oscillator keying circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1566245A (en) * 1921-09-02 1925-12-15 Westinghouse Electric & Mfg Co Radiotelephone system
GB187457A (en) * 1921-10-28 1922-10-26 Benjamin Henry Noel Hans Hamil Improvements in or relating to thermionic valve transmitters for wireless signalling
US1695042A (en) * 1923-08-15 1928-12-11 Western Electric Co High-efficiency discharge-device system
DE462849C (de) * 1925-12-14 1928-07-18 Lorenz Akt Ges C Einrichtung zur Steuerung von fremderregten Roehrensendern
NL42088C (nl) * 1934-12-17
US2255727A (en) * 1939-02-23 1941-09-09 W E Lehnert Signal generator output equalizer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2138563A (en) * 1983-04-21 1984-10-24 American Telephone & Telegraph Improvements in or relating to acoustic ranging apparatus

Also Published As

Publication number Publication date
US2440264A (en) 1948-04-27
ES181843A1 (es) 1948-03-01
BE474951A (nl)

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